Finding the Fourth Proportional to 52,912.42, 73,020.92 and 29,040.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,912.42 : 73,020.92 = 29,040.42 : x
2. Step 2: Convert to fraction form
   52,912.42/73,020.92 = 29,040.42/x
3. Step 3: Cross multiply
   52,912.42x = 73,020.92 × 29,040.42
4. Step 4: Simplify right side
   52,912.42x = 2,120,558,185.59
5. Step 5: Solve for x
   x = 2,120,558,185.59/52,912.42
6. Step 6: Final answer
   x = 40,076.76